Mixed-Matrix Membranes of the Air-Stable MOF-5 Analogue [Co-4(mu(4)-0)(Me(2)pzba)(3)] with a Mixed-Functional Pyrazolate-Carboxylate Linker for CO2/CH4 Separation

Dechnik Janina; Nuhnen Alexander; Janiak Christoph

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Mixed-Matrix Membranes of the Air-Stable MOF-5 Analogue [Co-4(mu(4)-0)(Me(2)pzba)(3)] with a Mixed-Functional Pyrazolate-Carboxylate Linker for CO2/CH4 Separation

机译：空气稳定MOF-5的混合 - 基质膜 - 5类似物[CO-4（4）-0）（ME（2）PZBA）（3）]用混合官能的吡唑酸酯 - 羧酸盐接头，用于CO 2 / CH 4分离

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The synthesis of the isostructural MOF-5 analogue 3D-[Co-4(mu(4)-O)(Me(2)pzba)(3)] with the bi- or mixed-functional pyrazolate-carboxylate linker was improved by the use of microwave heating instead of previously described conventional thermal heating, giving a higher yield at drastically shorter reaction time with nearly doubled BET surface area, smaller size, and less aggregation. The significantly increased air/moisture stability of [Co-4(mu(4)-O)(Me(2)pzba)(3)] compared to MOF-5 made the Co-MOF amenable for the preparation of moisture-tolerant [Co-4(mu(4)-O)(Me(2)pzba)(3)]/Matrimid mixed-matrix membranes (MMMs) without the use of inert conditions. Uniformly embedding of the small metal-organic framework (MOF) particles was achieved in the polymer, without aggregation and with good MOF-polymer compatibility. [Co-4(mu(4)-O)(Me(2)pzba)(3)]/Matrimid MMMs exhibited an improved CO2/CH4 separation performance over neat Matrimid membranes with an increase in mixed -gas selectivity from 41 for Matrimid to 60 for the 24 wt % MMM at 3 bar transmembrane pressure, which is also higher than reported for moisture -sensitive MOF-5/Matrimid MMMs (maximal S = 45).

机译：用双或混合官能的吡唑酸酯 - 羧酸盐接头改善了isostrontuctMOF-5类似物3D- [CO-4（MU（4）-O）（ME（2）PZBA）（3）]的合成使用微波加热而不是先前描述的传统热加热，在速度较短的反应时间内具有较高的屈服，具有几乎加倍的BET表面积，更小的尺寸和更少的聚集。与MOF-5相比，[CO-4（4）-O）（MU（4）-O）（ME（2）PZBA）（3）]的空气/水分稳定性显着增加，使CO-MOF适用于制备水分耐湿性[ CO-4（MU（4）-O）（ME（2）PZBA）（3）] /基质混合基质膜（MMM），不使用惰性条件。在聚合物中均匀地嵌入小金属 - 有机骨架（MOF）颗粒，而不具有聚集和具有良好的MOF-聚合物相容性。 [CO-4（MU（4）-O）（ME（2）PZBA）（3）] /基质MMMS在整齐的基质膜上表现出改善的CO 2 / CH 4分离性能，其混合-Gas选择性来自41的基质蛋白在3巴跨膜压力下为24wt％MMM的60，对于水分敏感的MOF-5 /基质MMM（最大S = 45）也高于报道。

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《Crystal growth & design》 |2017年第8期|共10页
作者
Dechnik Janina; Nuhnen Alexander; Janiak Christoph;
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Heinrich Heine Univ Dusseldorf Inst Anorgan Chem Strukturchem D-40204 Dusseldorf Germany;

Heinrich Heine Univ Dusseldorf Inst Anorgan Chem Strukturchem D-40204 Dusseldorf Germany;

Heinrich Heine Univ Dusseldorf Inst Anorgan Chem Strukturchem D-40204 Dusseldorf Germany;

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机译：空气稳定MOF-5的混合 - 基质膜 - 5类似物[CO-4（4）-0）（ME（2）PZBA）（3）]用混合官能的吡唑酸酯 - 羧酸盐接头，用于CO 2 / CH 4分离
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Mixed-Matrix Membranes of the Air-Stable MOF-5 Analogue [Co-4(mu(4)-0)(Me(2)pzba)(3)] with a Mixed-Functional Pyrazolate-Carboxylate Linker for CO2/CH4 Separation

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